if at all 就算真的有 　　釋義 　　You use if at all to give emphasis in negative statements, conditional clauses, and questions. 　　例句 　　Other researchers believe that intelligence is minimallyheritable, if at all. 　　GRE 　　We are not told in what way, if at all, this discovery illuminates historical understanding. 　　就算有的話，我們也不知道這項(xiàng)發(fā)現(xiàn)如何能幫助理解這一歷史。